Chair base



FIG. 1 is a perspective view of the chair base;

FIG. 2 is a front side elevational view thereof along a leg of the base,the side elevational views along the four remaining legs being a copy ofthis view;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a side elevational view thereof facing an opening between twolegs of the base, the side elevational views facing the remaining fouropenings being a copy of this view.

The shading illustrated in the figures is provided merely to representthe contour of the design and is not intended to be illustrative oftexture, gloss, or surface decoration.

We claim the ornamental design for a chair base, as shown and described.